Safety checklist — Industrial pipefitter
Process piping, steam and high pressure. Based on Québec's Construction Safety Code (CSTC) and CNESST standards.
Before work
11 items- ✓
PPE worn: hard hat, safety glasses, heat-resistant gloves, safety shoes
- ✓
P&ID reviewed — diameters, materials and pressures identified
- ✓
System depressurized, drained and locked outCritical
ℹ️ Steam/pressurized fluid = risk of fatal burn or projection
- ✓
Fire precautions (CSTC 3.14.1) if welding or brazing — permit if the procedure requires it
ℹ️ 3.14.1 does not write a named “hot work permit”.
- ✓
WHMIS sheets for conveyed products reviewed
- ✓
Supports and anchors verified — capacity sufficient for pipe weight
- ✓
Threaded or welded joints per spec — torque respected
- ✓
Drainage slopes checked regularly
- ✓
Welds performed by certified welder per applicable code (ASME, CSA)
- ✓
Adequate ventilation if brazing/welding in confined area
- ✓
Expansion joints installed at specified locations
After work
5 items- ✓
Hydrostatic pressure test per code — result conforming
- ✓
Welds radiographed or inspected if required by spec
- ✓
System purged and ready for commissioning
- ✓
Insulation installed on sections that require it
- ✓
As-built drawings updated — final isometrics delivered
16 verification items — use this checklist on-site with the app
Use on-site — freePDF reports, history and team management in the app
For information only — this is not legal advice. OK Sécurité is an independent company with no affiliation to the CNESST: we are not mandated, endorsed or certified by it. Completing a checklist here does not by itself establish your compliance — your exact obligations depend on your job site and your prevention program. Where there is any discrepancy, the official text published by Légis Québec or the CNESST prevails.
More checklists — Mechanical & Electrical
More safety checklists
Risks and prevention — Industrial pipefitter
Process piping exposes workers to burns, leaks, and confined spaces. Site: CSTC 3.14.1 (fire) and 2.20 (lockout). RSST 188 is for establishments.
Pressure tests (hydrostatic or pneumatic) must follow ASME/CSA standards under competent supervision. The test zone must be barricaded and evacuated, as joint failure under pressure can project components with lethal force.
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